1.i think ＿important to listen carefully to the teacher in class

1.i think ＿important to listen carefully to the teacher in class
a.too b that c.it 怎么用it？
2.it will ＿you an hour to finish it .
a.use b get c take
3.this book is different＿that day
a.from b.to c of
4.dont bring friends from ＿schools
a other b.the other c.each other
5.i dont know ＿.
a .where is his bike b.what should i do c.how he goes to work
搞不懂怎么来的